Everything for Electronics
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Build the Laser Pencil Engraver

Several months ago, an idea popped into my head for a fun project. I wondered if I could burn some characters into the yellow paint of a No. 2 pencil with one of those powerful diode lasers available on eBay. Perhaps it could be my name or my grandkid’s names, or even a happy birthday message to my lovely wife. Here’s how I did it.

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Build a Musical Laser Rainbow Machine

I’ve been searching for a way to give our band’s performances the kind of visual elements that can only otherwise be achieved by true lighting artists. As a musician, inventor, and laser enthusiast, I decided to draw on all my hobbies and have created a light machine that has unique responses to each tone, frequency, and beat.